1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 8023524
27 * @summary tests logging generated classes for lambda
28 * @library /java/nio/file
29 * @run testng LogGeneratedClassesTest
30 */
31 import java.io.File;
32 import java.io.IOException;
33 import java.util.ArrayList;
34 import java.util.List;
35 import java.nio.file.Files;
36 import java.nio.file.Path;
37 import java.nio.file.Paths;
38 import java.nio.file.attribute.PosixFileAttributeView;
39
40 import org.testng.annotations.AfterClass;
41 import org.testng.annotations.BeforeClass;
42 import org.testng.annotations.Test;
43 import org.testng.SkipException;
44
45 import static java.nio.file.attribute.PosixFilePermissions.*;
46 import static org.testng.Assert.assertEquals;
47 import static org.testng.Assert.assertFalse;
48 import static org.testng.Assert.assertTrue;
49
50 public class LogGeneratedClassesTest extends LUtils {
51 String longFQCN;
52
53 @BeforeClass
54 public void setup() throws IOException {
55 final List<String> scratch = new ArrayList<>();
56 scratch.clear();
57 scratch.add("package com.example;");
58 scratch.add("public class TestLambda {");
59 scratch.add(" interface I {");
60 scratch.add(" int foo();");
61 scratch.add(" }");
62 scratch.add(" public static void main(String[] args) {");
63 scratch.add(" I lam = () -> 10;");
64 scratch.add(" Runnable r = () -> {");
65 scratch.add(" System.out.println(\"Runnable\");");
66 scratch.add(" };");
67 scratch.add(" r.run();");
68 scratch.add(" System.out.println(\"Finish\");");
69 scratch.add(" }");
70 scratch.add("}");
71
72 File test = new File("TestLambda.java");
73 createFile(test, scratch);
74 compile("-d", ".", test.getName());
75
76 scratch.remove(0);
77 scratch.remove(0);
78 scratch.add(0, "public class LongPackageName {");
79 StringBuilder sb = new StringBuilder("com.example.");
80 // longer than 255 which exceed max length of most filesystems
81 for (int i = 0; i < 30; i++) {
82 sb.append("nonsense.");
83 }
84 sb.append("enough");
85 longFQCN = sb.toString() + ".LongPackageName";
86 sb.append(";");
87 sb.insert(0, "package ");
88 scratch.add(0, sb.toString());
89 test = new File("LongPackageName.java");
90 createFile(test, scratch);
91 compile("-d", ".", test.getName());
92
93 // create target
94 Files.createDirectory(Paths.get("dump"));
95 Files.createDirectories(Paths.get("dumpLong/com/example/nonsense"));
96 Files.createFile(Paths.get("dumpLong/com/example/nonsense/nonsense"));
97 Files.createFile(Paths.get("file"));
98 }
99
100 @AfterClass
101 public void cleanup() throws IOException {
102 Files.delete(Paths.get("TestLambda.java"));
103 Files.delete(Paths.get("LongPackageName.java"));
104 Files.delete(Paths.get("file"));
105 TestUtil.removeAll(Paths.get("com"));
106 TestUtil.removeAll(Paths.get("dump"));
107 TestUtil.removeAll(Paths.get("dumpLong"));
108 }
109
110 @Test
111 public void testNotLogging() {
112 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(),
113 "-cp", ".",
114 "-Djava.security.manager",
115 "com.example.TestLambda");
116 tr.assertZero("Should still return 0");
117 }
118
119 @Test
120 public void testLogging() throws IOException {
121 assertTrue(Files.exists(Paths.get("dump")));
122 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(),
123 "-cp", ".",
124 "-Djdk.internal.lambda.dumpProxyClasses=dump",
125 "-Djava.security.manager",
126 "com.example.TestLambda");
127 // dump/com/example + 2 class files
128 assertEquals(Files.walk(Paths.get("dump")).count(), 5, "Two lambda captured");
129 tr.assertZero("Should still return 0");
130 }
131
132 @Test
133 public void testDumpDirNotExist() throws IOException {
134 assertFalse(Files.exists(Paths.get("notExist")));
135 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(),
136 "-cp", ".",
137 "-Djdk.internal.lambda.dumpProxyClasses=notExist",
138 "-Djava.security.manager",
139 "com.example.TestLambda");
140 assertEquals(tr.testOutput.stream()
141 .filter(s -> s.startsWith("WARNING"))
142 .peek(s -> assertTrue(s.contains("does not exist")))
143 .count(),
144 1, "only show error once");
145 tr.assertZero("Should still return 0");
146 }
147
148 @Test
149 public void testDumpDirIsFile() throws IOException {
150 assertTrue(Files.isRegularFile(Paths.get("file")));
151 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(),
152 "-cp", ".",
153 "-Djdk.internal.lambda.dumpProxyClasses=file",
154 "-Djava.security.manager",
155 "com.example.TestLambda");
156 assertEquals(tr.testOutput.stream()
157 .filter(s -> s.startsWith("WARNING"))
158 .peek(s -> assertTrue(s.contains("not a directory")))
159 .count(),
160 1, "only show error once");
161 tr.assertZero("Should still return 0");
162 }
163
164 private static boolean isWriteableDirectory(Path p) {
165 if (!Files.isDirectory(p)) {
166 return false;
167 }
168 Path test = p.resolve(Paths.get("test"));
169 try {
170 try {
171 Files.createFile(test);
172 assertTrue(Files.exists(test));
173 return true;
174 } catch (IOException e) {
175 assertFalse(Files.exists(test));
176 return false;
177 }
178 } finally {
179 if (Files.exists(test)) {
180 try {
181 Files.delete(test);
182 } catch (IOException e) {
183 throw new Error(e);
184 }
185 }
186 }
187 }
188
189 @Test
190 public void testDumpDirNotWritable() throws IOException {
191 if (!Files.getFileStore(Paths.get("."))
192 .supportsFileAttributeView(PosixFileAttributeView.class)) {
193 // No easy way to setup readonly directory without POSIX
194 // We would like to skip the test with a cause with
195 // throw new SkipException("Posix not supported");
196 // but jtreg will report failure so we just pass the test
197 // which we can look at if jtreg changed its behavior
198 return;
199 }
200
201 Files.createDirectory(Paths.get("readOnly"),
202 asFileAttribute(fromString("r-xr-xr-x")));
203 try {
204 if (isWriteableDirectory(Paths.get("readOnly"))) {
205 // Skipping the test: it's allowed to write into read-only directory
206 // (e.g. current user is super user).
207 System.out.println("WARNING: readOnly directory is writeable. Skipping testDumpDirNotWritable test.");
208 return;
209 }
210
211 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(),
212 "-cp", ".",
213 "-Djdk.internal.lambda.dumpProxyClasses=readOnly",
214 "-Djava.security.manager",
215 "com.example.TestLambda");
216 assertEquals(tr.testOutput.stream()
217 .filter(s -> s.startsWith("WARNING"))
218 .peek(s -> assertTrue(s.contains("not writable")))
219 .count(),
220 1, "only show error once");
221 tr.assertZero("Should still return 0");
222 } finally {
223 TestUtil.removeAll(Paths.get("readOnly"));
224 }
225 }
226
227 @Test
228 public void testLoggingException() throws IOException {
229 assertTrue(Files.exists(Paths.get("dumpLong")));
230 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(),
231 "-cp", ".",
232 "-Djdk.internal.lambda.dumpProxyClasses=dumpLong",
233 "-Djava.security.manager",
234 longFQCN);
235 assertEquals(tr.testOutput.stream()
236 .filter(s -> s.startsWith("WARNING: Exception"))
237 .count(),
238 2, "show error each capture");
239 // dumpLong/com/example/nosense/nosense
240 assertEquals(Files.walk(Paths.get("dumpLong")).count(), 5, "Two lambda captured failed to log");
241 tr.assertZero("Should still return 0");
242 }
243 }